505 Answered Questions for the topic AP physics

Ap Physics Physics

12/14/20

Physics- Springs and Swings
A pendulum made of a string of length 10.7 m and a spherical bob of mass 9.1 kg and negligible raius swings in a vertical plane. The pendulum is released from an angular position 59 ◦ from vertical... more
Follows • 1
Expert Answers •1
Ap Physics Physics

12/13/20

Physics- Springs and Swings
A 3 kg block is pushed by an external force against a spring with spring constant 134 N/m until the spring is compressed by 2.1 m from its uncompressed length (x = 0). The block rests on a... more
Follows • 1
Expert Answers •1
Ap Physics

12/12/20

Physics- Swings and Springs
Find the spring constant k if the spring is stretched a distance 46 m by a suspended weight of 44 N. The acceleration of gravity is 9.8 m/s 2 . Answer in units of N/m.
Follows • 1
Expert Answers •1
Ap Physics Physics

12/11/20

How fast is the car moving at the bottom of the hill?
A 1200-kg car, initially at rest, rolls 80 m down a hill inclined at a 6.0⁰ angle. A 400-N force of friction opposes it motion. How fast is the car moving at the bottom of the hill?
Follows • 1
Expert Answers •1
Ap Physics Physics

12/11/20

Find the effective coefficient of kinetic friction between the car and the road.
A 1350-kg car is traveling on a wet road at 22 m/s. The driver suddenly sees a fallen tree on the road and slams on the breaks. The car comes to a stop after skidding a distance of 44.0 m. Find... more
Follows • 1
Expert Answers •1
Ap Physics Physics

12/09/20

A girl reaches out of a window and tosses a ball straight up with a speed of 10 m/s. The ball is 20 meters above the ground as she releases it.
A girl reaches out of a window and tosses a ball straight up with a speed of 10 m/s. The ball is 20 meters above the ground as she releases it.a. How high does the ball rise above the... more
Follows • 1
Expert Answers •1

12/05/20

I need help with these two questions if someone can help me please? Thank you!
A top has a peg along its axis with a lightweight string wrapped around it. As shown below, the end of the string is pulled with a constant tension force F = 4.32 N, causing the string to unwind... more
Follows • 1
Expert Answers •1

12/04/20

Can someone help me solve this?
Plaskett's binary system consists of two stars that revolve in a circular orbit about a center of mass midway between them. This statement implies that the masses of the two stars are equal (see... more
Follows • 1
Expert Answers •2

12/04/20

Can someone help me solve this?
Plaskett's binary system consists of two stars that revolve in a circular orbit about a center of mass midway between them. This statement implies that the masses of the two stars are equal (see... more
Follows • 1
Expert Answers •2
Ap Physics Physics

12/04/20

Can someone help me solve this please?
A top has a peg along its axis with a lightweight string wrapped around it. As shown below, the end of the string is pulled with a constant tension force F = 4.32 N, causing the string to unwind... more
Follows • 1
Expert Answers •1
Ap Physics Physics

12/04/20

How can I solve this physics question? Please and thank you
A hanging weight with a mass of m1 = 0.375 kg, is attached by a string to a block with mass m2 = 0.865 kg. The string goes over a pulley with a mass of M = 0.350 kg, and the pulley is a hollow... more
Follows • 2
Expert Answers •1
Ap Physics Physics

12/04/20

How can I solve this physics problem?
A student sits on a freely rotating stool holding two dumbbells, each of mass 3.09 kg (see figure below). When his arms are extended horizontally (Figure a), the dumbbells are 0.99 m from the axis... more
Follows • 2
Expert Answers •2
Ap Physics Physics

12/03/20

How do I calculate coefficant of friction?
In the simulation we are given the distance travled by an object from point A to point B, and the speed of the car released from a hill.We are then asked to calculate for the coefficant of friction... more
Follows • 1
Expert Answers •1

11/25/20

Why do the coefficients of kinetic and static friction differ?
Follows • 2
Expert Answers •3
Ap Physics

11/16/20

Statics and Pulleys
Consider the 653 N weight held by two cables shown below. The left-hand cable had tension T2 and makes an angle of 35◦ with the ceiling. The right-hand cable had tension T1 and makes an angle of... more
Follows • 1
Expert Answers •1
Ap Physics

11/13/20

Statics and Pulleys
Consider the 653 N weight held by two cables shown below. The left-hand cable had tension T2 and makes an angle of 35◦ with the ceiling. The right-hand cable had tension T1 and makes an angle of... more
Follows • 1
Expert Answers •1
Ap Physics

11/12/20

projectile motion in phys
Brett hits a 0.06 kg golf ball directly toward flagstick from a point 238 meters away. The velocity of the ball as it leaves the golf club is 45 m/s at angle of 40 degrees to the horizontal The... more
Follows • 1
Expert Answers •1
Ap Physics

11/11/20

Physics universal gravitation
How long would our year be if our Sun were two thirds its present mass and the radius of the Earth’s orbit were seven times its present value? Answer in units of y.
Follows • 1
Expert Answers •1
Ap Physics

11/10/20

universal gravitation

Calculate the force of gravity on a 95 kg person at the surface of the Earth. The acceleration of gravity is 9.8 m/s2 . Answer in units of N.a) Calculate force of gravity- that's completedNeed help... more
Follows • 1
Expert Answers •1
Ap Physics Physics

11/10/20

physics universal gravitation
The planet Krypton has a mass of 4.1 × 1023 kg and radius of 4.4 × 106 m. What is the acceleration of an object in free fall near the surface of Krypton? The gravitational constant is 6.6726 ×... more
Follows • 1
Expert Answers •1
Ap Physics

11/08/20

Need help with the FRQ free-response physics problem.
This question is a long free-response question. Show your work for each part of the question. Students conduct an experiment to study the motion of two toy rockets. In the first experiment,... more
Follows • 2
Expert Answers •1

11/06/20

Physics - Rotation
Two ice skaters are holding opposite sides of a large, very flexible spring. When they are 1 m apart they are turning in a circle at about 2 Hz (cycles/s). If, while turning, they stretched their... more
Follows • 1
Expert Answers •1

11/05/20

Calculate the final angular velocity
A cylinder with moment of inertia 12.9 kg m2 rotates with angular velocity 2.03 rad/s on a frictionless vertical axle. A second cylinder, with moment of inertia 30.3 kg m2, initially not rotating,... more
Follows • 1
Expert Answers •1
Ap Physics

11/05/20

Forces of Friction- Physics
A little girl pulls a 5.0 kg wagon with her 15.0 kg brother along the level ground in a straight path. She exerts a force of 60.0 N on the wagon at an angle of 30 degrees above the horizontal. The... more
Follows • 1
Expert Answers •1
Ap Physics Physics

11/03/20

Predict the period of the airplane’s motion
A toy airplane is attached to the ceiling by a 68-cm string. As the airplane travels in a circle at constant speed, the string makes an angle of 55° with the vertical. Predict the period of the... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.